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A05

Zukertort Opening

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Overview

Zukertort Opening is a named branch in the Flank Openings group of chess theory, classified under ECO A05.

The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.

It begins with 2 plies and takes 1. Nf3 Nf6 to reach the canonical position.

It branches immediately from Zukertort Opening in the opening tree.

10 distinct sub-variations branch from this opening; prominent examples include King's Indian Attack, King's Indian Attack: Spassky Variation, King's Indian Attack: Symmetrical Defense, and others.

Together the deeper variations number 22 across the full subtree.

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ECO code
A05
Group
Flank Openings (A)
Plies
2
Parent
Zukertort Opening
Direct variations
10
Total in subtree
22

This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.

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Variations (10)

Show all 22 sub-variations (full subtree)